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Guide to the National Electrical Code by Thomas L. Harman

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Chapter 4Calculations for Dwelling Type Occupancies

The discussions and calculations presented in previous chapters of the Guide have concentrated on basic design techniques for premises wiring systems. The techniques were generally applicable to the design of branch circuits, feeders, and services for any occupancy. Wiring design calculations presented in this chapter demonstrate the use of the Code rules that apply only to dwelling occupancies.

ARTICLE 100*

*References in the margins are to the specific applicable rules and tables in the National Electrical Code.

For purposes of wiring system design, the Code classifies dwelling types as one-family dwellings, two-family dwellings, and multifamily dwellings. A one-family dwelling or an individual ...

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